The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 1984
Filed:
Jul. 20, 1983
Applicant:
Inventor:
Karl Ostertag, Erlenbach, DE;
Assignee:
Akzona Incorporated, Enka, NC (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156553 ; 156292 ; 156555 ; 1565831 ;
Abstract
A composite material consisting of at least three layers joined by welds, wherein, in order to prevent the intrusion of cold, as well as to improve the hand, the points of fusion do not join all layers, but in each case only a part thereof. It is especially suitable for the manufacture of clothing and bedding. A new process and apparatus for its manufacture is also disclosed.